building routing tables or listening to OSPF route information?

building routing tables or listening to OSPF route information?

Post by David Bertag » Thu, 12 Nov 1998 04:00:00



I have a couple of Solaris Servers that until recently were all on
networks with a single backbone connection (default routes). To
improve performance we have added several network cards and were
wondering how best to go about gettting them to recognize the new
routes.

The network in question uses only OSPF  which the standard routed does
not recognize. I've looked at gated but it seem overly complex for
what we need. The network is generally static so we could build static
routing tables but I would prefer to have the servers just listen in
on the OSPF exchanges so they could adjust if necessary.

Any recommendations/war stories will  be welcom.

Thanks!

 
 
 

building routing tables or listening to OSPF route information?

Post by Barry Margoli » Thu, 12 Nov 1998 04:00:00




>I have a couple of Solaris Servers that until recently were all on
>networks with a single backbone connection (default routes). To
>improve performance we have added several network cards and were
>wondering how best to go about gettting them to recognize the new
>routes.

You could configure them with a static default route, and they'll learn
alternate routes via ICMP Redirects.  This is often preferable to having
hosts participate in routing protocols.

--

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Don't bother cc'ing followups to me.

 
 
 

1. How Do Routing Table Entries Get Added to Routing Table at Bootup?

I have, what I think, is a simple question for the TCP/IP guys out there
who are familar with routing tables on AIX 4.1.5/4.2.1 in an IBM SP
environment. Or maybe not.

I have recently noticed that when I execute a 'netstat -r' on a
particular node in the SP environment, there are routing table entries
that I know I didn't put in there. I have to delete these "unwelcomed"
entries and re-add the correct ones. This is undesireable and maybe a
quick crash course in routing tables is justified. These unwelcomed
routing table entries seem to be automatically added right after I have
IPL'ed the node in question.

How did these routing table entries get added in the routing table? Does
anybody know the process?

Thank you in advance for your responses.

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